Home / 14,677.81-22,022.89-9,135.79

Finding the Fourth Proportional to 14,677.81, 22,022.89 and 9,135.79

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Solution

The fourth proportional to 14,677.81, 22,022.89 and 9,135.79 is: 13,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.81 : 22,022.89 = 9,135.79 : x
  2. Step 2: Convert to fraction form
    14,677.81/22,022.89 = 9,135.79/x
  3. Step 3: Cross multiply
    14,677.81x = 22,022.89 × 9,135.79
  4. Step 4: Simplify right side
    14,677.81x = 201,196,420.34
  5. Step 5: Solve for x
    x = 201,196,420.34/14,677.81
  6. Step 6: Final answer
    x = 13,707.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.